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-rw-r--r--progs/trivial/.gitignore3
-rw-r--r--progs/trivial/Makefile3
-rw-r--r--progs/trivial/SConscript3
-rw-r--r--progs/trivial/line-flat.c147
-rw-r--r--progs/trivial/tri-viewport.c237
-rw-r--r--progs/trivial/tri-z.c50
-rw-r--r--progs/trivial/tri.c1
-rw-r--r--progs/trivial/vbo-noninterleaved.c139
-rw-r--r--progs/trivial/vp-tri-invariant.c147
9 files changed, 700 insertions, 30 deletions
diff --git a/progs/trivial/.gitignore b/progs/trivial/.gitignore
index 8dcb20a68f..dce733a70a 100644
--- a/progs/trivial/.gitignore
+++ b/progs/trivial/.gitignore
@@ -19,6 +19,7 @@ fs-tri
line
line-clip
line-cull
+line-flat
line-smooth
line-stipple-wide
line-userclip
@@ -130,6 +131,7 @@ tristrip-flat
vbo-drawarrays
vbo-drawelements
vbo-drawrange
+vbo-noninterleaved
vp-array
vp-array-int
vp-clip
@@ -139,6 +141,7 @@ vp-tri-cb
vp-tri-cb-pos
vp-tri-cb-tex
vp-tri-imm
+vp-tri-invariant
vp-tri-swap
vp-tri-tex
vp-unfilled
diff --git a/progs/trivial/Makefile b/progs/trivial/Makefile
index 69c71cbaf6..22de83fa79 100644
--- a/progs/trivial/Makefile
+++ b/progs/trivial/Makefile
@@ -30,6 +30,7 @@ SOURCES = \
fs-tri.c \
line-clip.c \
line-cull.c \
+ line-flat.c \
line-smooth.c \
line-stipple-wide.c \
line-userclip-clip.c \
@@ -138,6 +139,7 @@ SOURCES = \
tristrip-flat.c \
tristrip.c \
vbo-drawarrays.c \
+ vbo-noninterleaved.c \
vbo-drawelements.c \
vbo-drawrange.c \
vp-array.c \
@@ -145,6 +147,7 @@ SOURCES = \
vp-clip.c \
vp-line-clip.c \
vp-tri.c \
+ vp-tri-invariant.c \
vp-tri-swap.c \
vp-tri-tex.c \
vp-tri-imm.c \
diff --git a/progs/trivial/SConscript b/progs/trivial/SConscript
index 480630e210..9a1f3575bd 100644
--- a/progs/trivial/SConscript
+++ b/progs/trivial/SConscript
@@ -26,6 +26,7 @@ progs = [
'fs-tri',
'line-clip',
'line-cull',
+ 'line-flat',
'line-smooth',
'line-stipple-wide',
'line-userclip-clip',
@@ -134,6 +135,7 @@ progs = [
'tristrip-flat',
'tristrip',
'vbo-drawarrays',
+ 'vbo-noninterleaved',
'vbo-drawelements',
'vbo-drawrange',
'vp-array',
@@ -141,6 +143,7 @@ progs = [
'vp-clip',
'vp-line-clip',
'vp-tri',
+ 'vp-tri-invariant',
'vp-tri-swap',
'vp-tri-tex',
'vp-tri-imm',
diff --git a/progs/trivial/line-flat.c b/progs/trivial/line-flat.c
new file mode 100644
index 0000000000..14f0ac0782
--- /dev/null
+++ b/progs/trivial/line-flat.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+ glShadeModel(GL_FLAT);
+
+ glBegin(GL_LINES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -30.0);
+
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -30.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -30.0);
+
+
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -30.0);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glEnd();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ fprintf(stderr, "%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+ type = GLUT_RGB;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/tri-viewport.c b/progs/trivial/tri-viewport.c
index 8e5f155c7d..3e52449b47 100644
--- a/progs/trivial/tri-viewport.c
+++ b/progs/trivial/tri-viewport.c
@@ -29,6 +29,20 @@
GLenum doubleBuffer = 1;
int win;
+static float tx = 0;
+static float ty = 0;
+static float tw = 0;
+static float th = 0;
+static float z = -5;
+
+
+static float win_width = 250;
+static float win_height = 250;
+static enum {
+ ORTHO,
+ FRUSTUM,
+ MODE_MAX
+} mode = ORTHO;
static void Init(void)
{
@@ -37,44 +51,195 @@ static void Init(void)
fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
fflush(stderr);
- glClearColor(0.3, 0.1, 0.3, 0.0);
+ glClearColor(0, 0, 0, 0.0);
}
static void Reshape(int width, int height)
{
- glViewport(width / -2.0, height / -2.0, width, height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
+ win_width = width;
+ win_height = height;
+ glutPostRedisplay();
}
+
static void Key(unsigned char key, int x, int y)
{
switch (key) {
- case 27:
- exit(0);
- default:
- glutPostRedisplay();
- return;
+ case 27:
+ exit(0);
+ case 'w':
+ tw += 1.0;
+ break;
+ case 'W':
+ tw -= 1.0;
+ break;
+ case 'h':
+ th += 1.0;
+ break;
+ case 'H':
+ th -= 1.0;
+ break;
+
+ case 'z':
+ z += 1.0;
+ break;
+ case 'Z':
+ z -= 1.0;
+ break;
+ case 'm':
+ mode++;
+ mode %= MODE_MAX;
+ break;
+ case ' ':
+ tw = th = tx = ty = 0;
+ z = -5;
+ mode = ORTHO;
+ break;
+ default:
+ break;
}
+ glutPostRedisplay();
}
+
static void Draw(void)
{
+ int i;
+ float w = tw + win_width;
+ float h = th + win_height;
+
+ fprintf(stderr, "glViewport(%f %f %f %f)\n", tx, ty, w, h);
+ fprintf(stderr, "mode: %s\n", mode == FRUSTUM ? "FRUSTUM" : "ORTHO");
+ fprintf(stderr, "z: %f\n", z);
+ fflush(stderr);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+
+ switch (mode) {
+ case FRUSTUM:
+ glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+ break;
+ case ORTHO:
+ default:
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ break;
+ }
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+
glClear(GL_COLOR_BUFFER_BIT);
+
+ /***********************************************************************
+ * Should be clipped to be no larger than the triangles:
+ */
+ glViewport(tx, ty, w, h);
+
+ glBegin(GL_POLYGON);
+ glColor3f(1,1,0);
+ glVertex3f(-100, -100, z);
+ glVertex3f(-100, 100, z);
+ glVertex3f(100, 100, z);
+ glVertex3f(100, -100, z);
+ glEnd();
+
+ glBegin(GL_POLYGON);
+ glColor3f(0,1,1);
+ glVertex3f(-10, -10, z);
+ glVertex3f(-10, 10, z);
+ glVertex3f(10, 10, z);
+ glVertex3f(10, -10, z);
+ glEnd();
+
+ glBegin(GL_POLYGON);
+ glColor3f(1,0,0);
+ glVertex3f(-2, -2, z);
+ glVertex3f(-2, 2, z);
+ glVertex3f(2, 2, z);
+ glVertex3f(2, -2, z);
+ glEnd();
+
+
+ glBegin(GL_POLYGON);
+ glColor3f(.5,.5,1);
+ glVertex3f(-1, -1, z);
+ glVertex3f(-1, 1, z);
+ glVertex3f(1, 1, z);
+ glVertex3f(1, -1, z);
+ glEnd();
+
+ /***********************************************************************
+ */
+ glViewport(0, 0, win_width, win_height);
+ glBegin(GL_LINES);
+ glColor3f(1,1,0);
+ glVertex3f(-1, 0, z);
+ glVertex3f(1, 0, z);
+
+ glVertex3f(0, -1, z);
+ glVertex3f(0, 1, z);
+ glEnd();
+
+
+ /***********************************************************************
+ */
+ glViewport(tx, ty, w, h);
glBegin(GL_TRIANGLES);
- glColor3f(.8,0,0);
- glVertex3f(-0.9, 0.9, -30.0);
- glColor3f(0,.9,0);
- glVertex3f( 0.9, 0.9, -30.0);
- glColor3f(0,0,.7);
- glVertex3f( 0.0, -0.9, -30.0);
+ glColor3f(1,0,0);
+ glVertex3f(-1, -1, z);
+ glVertex3f(0, -1, z);
+ glVertex3f(-.5, -.5, z);
+
+ glColor3f(1,1,1);
+ glVertex3f(0, -1, z);
+ glVertex3f(1, -1, z);
+ glVertex3f(.5, -.5, z);
+
+ glVertex3f(-.5, -.5, z);
+ glVertex3f(.5, -.5, z);
+ glVertex3f(0, 0, z);
+
+
+ glColor3f(0,1,0);
+ glVertex3f(1, 1, z);
+ glVertex3f(0, 1, z);
+ glVertex3f(.5, .5, z);
+
+ glColor3f(1,1,1);
+ glVertex3f(0, 1, z);
+ glVertex3f(-1, 1, z);
+ glVertex3f(-.5, .5, z);
+
+ glVertex3f(.5, .5, z);
+ glVertex3f(-.5, .5, z);
+ glVertex3f( 0, 0, z);
+
glEnd();
+
+ glViewport(0, 0, win_width, win_height);
+
+ glBegin(GL_LINES);
+ glColor3f(.5,.5,0);
+ for (i = -10; i < 10; i++) {
+ float f = i / 10.0;
+
+ if (i == 0)
+ continue;
+
+ glVertex3f(-1, f, z);
+ glVertex3f(1, f, z);
+
+ glVertex3f(f, -1, z);
+ glVertex3f(f, 1, z);
+ }
+ glEnd();
+
+
+
glFlush();
if (doubleBuffer) {
@@ -86,6 +251,13 @@ static GLenum Args(int argc, char **argv)
{
GLint i;
+ if (getenv("VPX"))
+ tx = atof(getenv("VPX"));
+
+ if (getenv("VPY"))
+ ty = atof(getenv("VPY"));
+
+
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-sb") == 0) {
doubleBuffer = GL_FALSE;
@@ -99,6 +271,30 @@ static GLenum Args(int argc, char **argv)
return GL_TRUE;
}
+
+static void
+special(int k, int x, int y)
+{
+ switch (k) {
+ case GLUT_KEY_UP:
+ ty += 1.0;
+ break;
+ case GLUT_KEY_DOWN:
+ ty -= 1.0;
+ break;
+ case GLUT_KEY_LEFT:
+ tx -= 1.0;
+ break;
+ case GLUT_KEY_RIGHT:
+ tx += 1.0;
+ break;
+ default:
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
int main(int argc, char **argv)
{
GLenum type;
@@ -123,7 +319,8 @@ int main(int argc, char **argv)
Init();
glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
+ glutKeyboardFunc(Key);
+ glutSpecialFunc(special);
glutDisplayFunc(Draw);
glutMainLoop();
return 0;
diff --git a/progs/trivial/tri-z.c b/progs/trivial/tri-z.c
index 335d2b90e2..014aaa071a 100644
--- a/progs/trivial/tri-z.c
+++ b/progs/trivial/tri-z.c
@@ -57,13 +57,19 @@ static struct { GLenum func; const char *str; } funcs[] =
static int curFunc = 0;
static double clearVal = 1.0;
-
+static float minZ = 0.0;
+static float maxZ = 1.0;
static void usage(void)
{
- printf("t - toggle rendering order of triangles\n");
- printf("c - toggle Z clear value between 0, 1\n");
- printf("f - cycle through depth test functions\n");
+ printf("t - toggle rendering order of triangles\n");
+ printf("c - toggle Z clear value between 0, 1\n");
+ printf("f - cycle through depth test functions\n");
+ printf("n/N - decrease/increase depthrange minZ\n");
+ printf("x/X - decrease/increase depthrange maxZ\n");
+ printf("spc - reset\n");
+ printf("z - set to reverse-direction (ztrick) mode\n");
+ fflush(stdout);
}
@@ -97,9 +103,11 @@ static void drawRightTriangle(void)
void display(void)
{
- printf("GL_CLEAR_DEPTH = %f GL_DEPTH_FUNC = %s\n",
- clearVal, funcs[curFunc].str);
+ printf("GL_CLEAR_DEPTH = %.2f, GL_DEPTH_FUNC = %s, DepthRange(%.1f, %.1f)\n",
+ clearVal, funcs[curFunc].str, minZ, maxZ);
+ fflush(stdout);
glClearDepth(clearVal);
+ glDepthRange(minZ, maxZ);
glDepthFunc(funcs[curFunc].func);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -131,27 +139,49 @@ void reshape(int w, int h)
void keyboard(unsigned char key, int x, int y)
{
switch (key) {
+ case 'n':
+ minZ -= .1;
+ break;
+ case 'N':
+ minZ += .1;
+ break;
+ case 'x':
+ maxZ -= .1;
+ break;
+ case 'X':
+ maxZ += .1;
+ break;
case 'c':
case 'C':
clearVal = 1.0 - clearVal;
- glutPostRedisplay();
break;
case 'f':
case 'F':
curFunc = (curFunc + 1) % NUM_FUNCS;
- glutPostRedisplay();
break;
case 't':
case 'T':
leftFirst = !leftFirst;
- glutPostRedisplay();
+ break;
+ case ' ':
+ curFunc = 0;
+ clearVal = 1.0;
+ minZ = 0.0;
+ maxZ = 1.0;
+ break;
+ case 'z':
+ curFunc = 2;
+ clearVal = 0.0;
+ minZ = 1.0;
+ maxZ = 0.0;
break;
case 27: /* Escape key */
exit(0);
break;
default:
- break;
+ return;
}
+ glutPostRedisplay();
}
/* Main Loop
diff --git a/progs/trivial/tri.c b/progs/trivial/tri.c
index d44cb6a9fe..cac3fcb7d9 100644
--- a/progs/trivial/tri.c
+++ b/progs/trivial/tri.c
@@ -60,6 +60,7 @@ static void Key(unsigned char key, int x, int y)
{
switch (key) {
case 27:
+ glutDestroyWindow(win);
exit(0);
default:
glutPostRedisplay();
diff --git a/progs/trivial/vbo-noninterleaved.c b/progs/trivial/vbo-noninterleaved.c
new file mode 100644
index 0000000000..0672ca50ff
--- /dev/null
+++ b/progs/trivial/vbo-noninterleaved.c
@@ -0,0 +1,139 @@
+/* Basic VBO */
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+struct {
+ GLfloat pos[4][4];
+ GLfloat col[4][4];
+} verts =
+{
+ /* Position: a quad
+ */
+ {
+ { 0.9, -0.9, 0.0, 1.0 },
+ { 0.9, 0.9, 0.0, 1.0 },
+ { -0.9, 0.9, 0.0, 1.0 },
+ { -0.9, -0.9, 0.0, 1.0 },
+ },
+
+ /* Color: all red
+ */
+ {
+ { 1.0, 0.0, 0.0, 1.0 },
+ { 1.0, 0.0, 0.0, 1.0 },
+ { 1.0, 0.0, 0.0, 1.0 },
+ { 1.0, 0.0, 0.0, 1.0 },
+ },
+
+
+};
+
+GLuint arrayObj, elementObj;
+
+static void Init( void )
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "MOV result.color, vertex.color;\n"
+ "MOV result.position, vertex.position;\n"
+ "END\n";
+
+ glGenProgramsARB(1, &prognum);
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ assert(glIsProgramARB(prognum));
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+
+
+ glEnableClientState( GL_VERTEX_ARRAY );
+ glEnableClientState( GL_COLOR_ARRAY );
+
+ glGenBuffersARB(1, &arrayObj);
+ glBindBufferARB(GL_ARRAY_BUFFER_ARB, arrayObj);
+ glBufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), &verts, GL_STATIC_DRAW_ARB);
+
+ glVertexPointer( 4, GL_FLOAT, sizeof(verts.pos[0]), 0 );
+ glColorPointer( 4, GL_FLOAT, sizeof(verts.col[0]), (void *)(4*4*sizeof(float)) );
+
+}
+
+
+
+static void Display( void )
+{
+ glClearColor(0.3, 0.3, 0.3, 1);
+ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
+
+ glEnable(GL_VERTEX_PROGRAM_ARB);
+
+// glDrawArrays( GL_TRIANGLES, 0, 3 );
+// glDrawArrays( GL_TRIANGLES, 1, 3 );
+ glDrawArrays( GL_QUADS, 0, 4 );
+
+ glFlush();
+}
+
+
+static void Reshape( int width, int height )
+{
+ glViewport( 0, 0, width, height );
+ glMatrixMode( GL_PROJECTION );
+ glLoadIdentity();
+ glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
+ glMatrixMode( GL_MODELVIEW );
+ glLoadIdentity();
+ /*glTranslatef( 0.0, 0.0, -15.0 );*/
+}
+
+
+static void Key( unsigned char key, int x, int y )
+{
+ (void) x;
+ (void) y;
+ switch (key) {
+ case 27:
+ exit(0);
+ break;
+ }
+ glutPostRedisplay();
+}
+
+
+
+
+int main( int argc, char *argv[] )
+{
+ glutInit( &argc, argv );
+ glutInitWindowPosition( 0, 0 );
+ glutInitWindowSize( 250, 250 );
+ glutInitDisplayMode( GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH );
+ glutCreateWindow(argv[0]);
+ glewInit();
+ glutReshapeFunc( Reshape );
+ glutKeyboardFunc( Key );
+ glutDisplayFunc( Display );
+ Init();
+ glutMainLoop();
+ return 0;
+}
diff --git a/progs/trivial/vp-tri-invariant.c b/progs/trivial/vp-tri-invariant.c
new file mode 100644
index 0000000000..ff24139365
--- /dev/null
+++ b/progs/trivial/vp-tri-invariant.c
@@ -0,0 +1,147 @@
+/* Test glGenProgramsNV(), glIsProgramNV(), glLoadProgramNV() */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+#include <GL/glew.h>
+#include <GL/glut.h>
+
+
+#define CI_OFFSET_1 16
+#define CI_OFFSET_2 32
+
+
+GLenum doubleBuffer;
+
+static void Init(void)
+{
+ GLint errno;
+ GLuint prognum;
+
+ static const char *prog1 =
+ "!!ARBvp1.0\n"
+ "OPTION ARB_position_invariant ;"
+ "MOV result.color, vertex.color;\n"
+ "END\n";
+
+
+ glGenProgramsARB(1, &prognum);
+
+ glBindProgramARB(GL_VERTEX_PROGRAM_ARB, prognum);
+ glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
+ strlen(prog1), (const GLubyte *) prog1);
+
+ errno = glGetError();
+ printf("glGetError = %d\n", errno);
+ if (errno != GL_NO_ERROR)
+ {
+ GLint errorpos;
+
+ glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &errorpos);
+ printf("errorpos: %d\n", errorpos);
+ printf("%s\n", (char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB));
+ }
+
+ fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ fflush(stderr);
+
+ glClearColor(0.0, 0.0, 1.0, 0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+ glViewport(0, 0, (GLint)width, (GLint)height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+/* glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); */
+ glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+ switch (key) {
+ case 27:
+ exit(1);
+ default:
+ return;
+ }
+
+ glutPostRedisplay();
+}
+
+static void Draw(void)
+{
+ glClear(GL_COLOR_BUFFER_BIT);
+
+ glEnable(GL_VERTEX_PROGRAM_ARB);
+
+ glBegin(GL_TRIANGLES);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.9, -0.9, -0.0);
+ glColor3f(.8,0,0);
+ glVertex3f( 0.9, 0.9, -0.0);
+ glColor3f(0,.9,0);
+ glVertex3f(-0.9, 0.0, -0.0);
+ glEnd();
+
+ glFlush();
+
+ if (doubleBuffer) {
+ glutSwapBuffers();
+ }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+ GLint i;
+
+ doubleBuffer = GL_FALSE;
+
+ for (i = 1; i < argc; i++) {
+ if (strcmp(argv[i], "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(argv[i], "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ fprintf(stderr, "%s (Bad option).\n", argv[i]);
+ return GL_FALSE;
+ }
+ }
+ return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ GLenum type;
+
+ glutInit(&argc, argv);
+
+ if (Args(argc, argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
+
+ type = GLUT_RGB | GLUT_ALPHA;
+ type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+ glutInitDisplayMode(type);
+
+ if (glutCreateWindow(*argv) == GL_FALSE) {
+ exit(1);
+ }
+
+ glewInit();
+ Init();
+
+ glutReshapeFunc(Reshape);
+ glutKeyboardFunc(Key);
+ glutDisplayFunc(Draw);
+ glutMainLoop();
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-12 10:06:14 +0000